Last frost date in Prescott Valley, Arizona
April 30
Average last frost in spring. In an early year (1 in 10) it's over by April 14; in a late year (1 in 10) it comes after May 15.
October 20
Average first frost in fall. 1 year in 10 it comes by October 7.
Source: NOAA U.S. Climate Normals 1991–2020, station Prescott (USC00026796), 6.7 miles from Prescott Valley, elevation 5,205 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Prescott, so its frost dates are the same as Prescott Valley's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 14 | Apr 30 | May 15 |
| First frost in fall | Oct 7 | Oct 20 | Nov 4 |
Frost-free days in an average year: 172
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 12 | Oct 10 |
| Frost (32°F) | Every year | Apr 30 | Oct 20 |
| Hard freeze (28°F) | Every year | Apr 13 | Oct 31 |
Nights at 32°F or colder in an average year: 128
What to plant now in Prescott Valley
- Spring planting calendar for an average last frost around April 30 Prescott Valley: April 30
- Fall planting calendar for an average first frost around October 20 Prescott Valley: October 20
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Arizona
- Chino Valley 11 mi · last frost Apr 27
- Cottonwood 22 mi · last frost Mar 30
- Camp Verde 26 mi · last frost Apr 16
- Peoria 56 mi · last frost Feb 5
- Flagstaff 57 mi · last frost June 4
Updated